289880045

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{379}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 439985280

約数和(自身を除く): 150105235

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 379, 455, 533, 1435, 1681, 1895, 2653, 2665, 3731, 4927, 8405, 11767, 13265, 15539, 18655, 21853, 24635, 34489, 58835, 77695, 108773, 109265, 152971, 172445, 202007, 543865, 637099, 764855, 1010035, 1414049, 3185495, 4459693, 7070245, 8282287, 22298465, 41411435, 57976009, 289880045]

約数ペア:

[(1, 289880045), (5, 57976009), (7, 41411435), (13, 22298465), (35, 8282287), (41, 7070245), (65, 4459693), (91, 3185495), (205, 1414049), (287, 1010035), (379, 764855), (455, 637099), (533, 543865), (1435, 202007), (1681, 172445), (1895, 152971), (2653, 109265), (2665, 108773), (3731, 77695), (4927, 58835), (8405, 34489), (11767, 24635), (13265, 21853), (15539, 18655)]